Status
Non-Final Action Mailed
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (21 events)
Jun 29, 2026MR.NFRX - Mail Reexam Non-Final Action
May 29, 2026RXFWDXDate Forwarded to Examiner
May 22, 2026PA..Change in Power of Attorney (May Include Associate POA)
Mar 6, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 23, 2025DOCKCase Docketed to Examiner in GAU
Dec 17, 2025MRXNReexamination Formalities Notice Mailed
Dec 17, 2025MRXNReexamination Formalities Notice Mailed
Dec 17, 2025COMPApplication Is Now Complete
Dec 16, 2025PRXRParalegal Reexam Review Complete
Dec 16, 2025FTFSFITF set to YES - revise initial setting
Dec 16, 2025RXNREQFDNotice of reexamination request filing date
Dec 16, 2025RXNREQAUNotice of assignment of reexamination request
Dec 16, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 16, 2025RXRLFReExam Litigation Found
Dec 11, 2025RXTTLRPTTitle Report
Dec 9, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 9, 2025RXOSUB.RReexamination requested by third party requester
Dec 9, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Dec 9, 2025RXC/SRCertificate of Service
Dec 9, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 9, 2025WIDSInformation Disclosure Statement (IDS) Filed
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-01538IPR — Discretionary Denial
Petitioner
Hisense USA Corp. et al.
Petition Filed
Sep 16, 2025
Institution
Jan 16, 2026
Decision
Jan 16, 2026
Terminated
Jan 16, 2026
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Sep 18, 2012
3.5-yr
Mar 18, 2016
7.5-yr
Mar 18, 2020
Paid Feb 11, 2020
11.5-yr
Mar 18, 2024
Paid Jan 10, 2025
Expiry
May 24, 2030
Entity Status
Large Entity
Expires
May 24, 2030 (4.2 yr remaining)
Term Adjustment
+332 days (~0.9 yr)
Other
USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder MailedUSPTO Event: Petition to Accept Late Payment of Maintenance Fee Payment Filed
Assignments
AssignmentReel/Frame: 022905/0250Recorded: Jul 1, 2009
From
JUN SEOK PARKInventor
Feb 19, 2009
→
To
LG INNOTEK CO., LTD.
AssignmentReel/Frame: 056366/0335Recorded: May 25, 2021
From
LG INNOTEK CO., LTD.
May 20, 2021
→
To
SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
AssignmentReel/Frame: 067949/0047Recorded: Jul 10, 2024
From
SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
Jun 25, 2024
→
To
LIGHT GUIDE INNOVATIONS LLC